//解析URL参数
//example ？id=1235&a=b
//return object {id:12345,a:b}
export function urlParse(){
     let url = window.location.search;
     let obj = {};
     let reg = /[?&][^?&]+=[^?&]+/g;
     let arr = url.match(reg);
     if (arr){
          arr.forEach( (item)=>{
             let tempArr = item.substring(1).split('=');
             let key = decodeURIComponent(tempArr[0]);
             let val = decodeURIComponent(tempArr[1]);
             obj[key] = val
          });
     }
     return obj
}